Home / 1,353,537,258.86-2,028,872,928.53-455,288,933.16

Finding the Fourth Proportional to 1,353,537,258.86, 2,028,872,928.53 and 455,288,933.16

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Solution

The fourth proportional to 1,353,537,258.86, 2,028,872,928.53 and 455,288,933.16 is: 682,451,395.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,353,537,258.86 : 2,028,872,928.53 = 455,288,933.16 : x
  2. Step 2: Convert to fraction form
    1,353,537,258.86/2,028,872,928.53 = 455,288,933.16/x
  3. Step 3: Cross multiply
    1,353,537,258.86x = 2,028,872,928.53 × 455,288,933.16
  4. Step 4: Simplify right side
    1,353,537,258.86x = 923,723,391,148,766,976
  5. Step 5: Solve for x
    x = 923,723,391,148,766,976/1,353,537,258.86
  6. Step 6: Final answer
    x = 682,451,395.48

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.